The Null can change forms and you've spoken of their adaptability. What if a small Null turned itself into a phone for information gathering purposes?

[She's kicking herself for not thinking of this sooner, but right now, thinking of possibilities like this is better than dwelling on something out of her control. Her plans of going to another world have fallen through because the one she'd planned on going with has just been sent home by the Door. If she goes to her home, she will die. So now she's thinking of other plans.]

Certainly, we've had recent proof that they can not only send messages over the network, but also that they can view what others share. Unless he sent them a private message, that man Matt Murdock was not mouthing off to them on their post.